Finding the Fourth Proportional to 96,747.20, 145,129.95 and 37,587.42
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Solution
The fourth proportional to 96,747.20, 145,129.95 and 37,587.42 is: 56,384.69
Step by Step Solution
- Step 1: Write the proportion equation
96,747.20 : 145,129.95 = 37,587.42 : x - Step 2: Convert to fraction form
96,747.20/145,129.95 = 37,587.42/x - Step 3: Cross multiply
96,747.20x = 145,129.95 × 37,587.42 - Step 4: Simplify right side
96,747.20x = 5,455,060,385.23 - Step 5: Solve for x
x = 5,455,060,385.23/96,747.20 - Step 6: Final answer
x = 56,384.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.